CN104918222B

CN104918222B - A kind of method, equipment and system playing LTE voice service prompt tone

Info

Publication number: CN104918222B
Application number: CN201410090145.5A
Authority: CN
Inventors: 韩志峰; 盛中来; 杜建凤; 盛凌志; 李长空; 张志敏
Original assignee: China Mobile Group Beijing Co Ltd
Current assignee: China Mobile Group Beijing Co Ltd
Priority date: 2014-03-12
Filing date: 2014-03-12
Publication date: 2018-12-04
Anticipated expiration: 2034-03-12
Also published as: CN104918222A

Abstract

The present invention relates to field of communication technology more particularly to a kind of method, equipment and systems for playing LTE voice service prompt tone；To solve in the prior art when terminal device, which is located at LTE network, establishes speech communication, since prompt tone waiting time is longer, the problem of leading to user's frequent progress calling in a short time, occupy a large amount of network signal resource.During the present invention is fallen after rise from the network LTE to 2G/3G network using terminal, calling terminal obtains the corresponding alert tone information of called terminal from corresponding network side equipment, and plays the alert tone information by the prompt tone application program in calling terminal；Make calling subscriber during terminal device is fallen after rise from the network LTE to 2G/3G network, it can hear the corresponding prompt tone of called terminal, calling subscriber's number that frequent progress calls in a short time is reduced, reaches saving network signal resource, avoids the purpose of the wasting of resources.

Description

A kind of method, equipment and system playing LTE voice service prompt tone

Technical field

The present invention relates to field of communication technology more particularly to it is a kind of play the method for LTE voice service prompt tone, equipment and System.

Background technique

Existing LTE network can not transmit/receive circuit domain business signal, in order to enable terminal can be initiated under LTE access The CS circuit domain business such as voice service, and the paging for the CS business such as receive speech, and can be to terminal in the lte networks Ongoing PS business is properly processed, and CSFB(Circuit Switched Fallback is produced, and circuit domain is returned Fall) technology.

With in the prior art, the calling terminal equipment positioned at LTE network is sent out to the called terminal equipment for being located at 2G/3G network For playing voice service request, calling terminal equipment sends CSFB request to network management entity MME；MME receives caller end After the CSFB request that end equipment is sent, CSFB request is initiated to the cell base station eNodeb where calling terminal equipment；eNodeb It is that caller terminal device selects a 2G/3G Target cell according to the corresponding operator configuration information of calling terminal equipment, makes to lead Terminal device is made to fall back to the domain CS；Calling terminal equipment falls back to the mobile switching centre for passing through called terminal equipment behind the domain CS MSC initiates paging request to called terminal equipment；After called terminal equipment receives the paging request of MSC transmission, according to paging Request carries out ring response, and the ring response message of called terminal equipment is sent to MSC；MSC receives called terminal and sets The ring response message that preparation is sent obtains the corresponding alert tone information of called terminal equipment to prompt sound service server, and The alert tone information that will acquire is sent to calling terminal equipment, and calling terminal equipment plays corresponding ring according to alert tone information Prompt tone.At present since CSFB technology 3GPP R8 and R9 version time delay during voice fallback is longer, about more than ten seconds, phase The time delay that user initiates voice directly at 2G/3G is greatly increased, and does not have any prompt tone in waiting process, until After terminal device in LTE network falls back to 2G/3G completely, and called terminal equipment is generated just to issue to default after ring responds and be mentioned Show sound or ringing tone.

Therefore, during establishing voice communication in the prior art, when terminal device is located at LTE network, LTE net is waited Terminal device in network does not have prompt tone during falling back to 2G/3G, and duration is longer, and user will be considered that and not establish normally Speech communication or the bad call failure of network signal, leading to user, frequent progress calls in a short time, occupies a large amount of network Signal resource results in waste of resources.

Summary of the invention

The present invention provides a kind of method, equipment and systems for playing LTE voice service prompt tone, to solve to set when terminal When for establishing speech communication positioned at LTE network, since prompt tone waiting time is longer, lead to user's frequent progress in a short time The problem of calling, occupying a large amount of network signal resource.

The embodiment of the invention provides a kind of methods for playing LTE voice service prompt tone, this method comprises:

Calling terminal equipment containing prompt tone application program initiates voice service to called terminal equipment in LTE network When, it includes electricity in the expansion service request that the calling terminal equipment, which sends expansion service request to first network side apparatus, Road domain dropping CSFB request, called terminal device identification；

The calling terminal equipment receives determining according to expansion service request for the first network side apparatus transmission Prompt tone configuration parameter；The prompt tone configuration parameter includes CSFB request response message and the called terminal equipment Corresponding alert tone information；

The calling terminal equipment requests response message to activate the prompt tone application program according to the CSFB, passes through institute It states prompt tone application program and plays the corresponding prompt tone of the called terminal equipment；

Wherein, the prompt tone configuration parameter is that the first network side apparatus will receive the expansion service request hair It send to prompt sound service server, the called terminal that the prompt sound service server is determined according to called terminal device identification The corresponding alert tone information of equipment, and response message is requested according to the CSFB that CSFB request generates.

During calling terminal equipment is fallen after rise from the network LTE to 2G/3G network in above-described embodiment, calling terminal equipment The corresponding alert tone information of called terminal equipment, and the prompt contained by calling terminal equipment are obtained from first network side apparatus Sound application program plays the alert tone information, falls calling subscriber to 2G/3G network from the network LTE after rise in calling terminal equipment In the process, the corresponding prompt tone of called terminal equipment can be heard, and then reduction calling subscriber in a short time exhale by frequent progress The number cried avoids the purpose of the wasting of resources to reach saving network signal resource.

Calling terminal equipment described in the embodiment of the present invention plays called terminal equipment by the prompt tone application program After corresponding prompt tone, further includes:

The calling terminal equipment receives the information from the falling of LTE network to 2G/3G network, and receive it is called eventually After the information that call connection has been established with called terminal equipment that corresponding second network side equipment of end equipment is sent, described in triggering The prompt tone application program of calling terminal equipment stops playing alert tones, and establishes call connection with the called terminal equipment.

In above-described embodiment after calling terminal equipment is from the falling of LTE network to 2G/3G network, called subscriber is received After what terminal was sent has been established call link information, notice calling terminal equipment stops playing alert tones, and sets with called terminal It is standby to establish call connection, realize the voice communication connection of calling and called terminal device.

It further include prompt tone timing configuration parameter in prompt tone configuration parameter described in the embodiment of the present invention, the caller is whole Broadcasting when end equipment triggers prompt tone application program playing alert tones according to the prompt tone timing configuration parameter to prompt tone Duration carries out timing.

The calling terminal equipment receives the called terminal that corresponding second network side equipment of called terminal equipment is sent Equipment ringing information triggers the playing duration letter that the calling terminal equipment sends current prompt sound to the second network side equipment Breath；

After the calling terminal equipment receives the real-time prompting message breath of the second network side equipment transmission, then described in triggering Prompt tone application program stops playing alert tones, and the second network side equipment described in the calling terminal device plays is sent real-time Prompt tone；

Wherein real-time prompting message breath is the second network side equipment by the playing duration information of the current prompt sound received It is sent to prompt sound service server, the prompt sound service server is worked as according to the determination of the playing duration information of current prompt sound The play time of preceding prompt tone, and real-time prompting sound is played since the play time, by the real-time prompting of the broadcasting Message breath is sent to the second network side equipment.

Calling terminal equipment receives the ringing information of called terminal equipment in above-described embodiment after falling after rise to 2G/3G network Afterwards, the playing duration of current prompt sound is reported into the second network side equipment, the second network side equipment is broadcast current prompt sound Put duration and be sent to prompt sound service server, prompt sound service server according to the playing duration of current prompt sound, determine after The play time of continuous playing alert tones, is sent to master by the second network side equipment for the alert tone information after play time After making terminal device, calling terminal equipment receive the alert tone information of the second network side equipment transmission, prompt tone application program Stop playing alert tones, the alert tone information that the second network side equipment that calling terminal device plays receive is sent；Pass through master The playing duration for making terminal device report prompt tone, the alert tone information for sending prompt sound service server are set with calling terminal The alert tone information linking that standby prompt tone application program plays.

First network side apparatus receives the transmission of the calling terminal equipment in LTE network containing prompt tone application program Expansion service request, include that the circuit domain dropping CSFB of calling terminal equipment is requested in expansion service request, be called eventually End equipment mark；

Expansion service request is sent to prompt sound service server by the first network side apparatus, and described in reception The prompt tone configuration parameter that prompt sound service server is generated according to expansion service request, the prompt tone configuration parameter packet Include the corresponding alert tone information of the called terminal equipment and CSFB request response message；

The prompt tone configuration parameter is sent to the calling terminal equipment by the first network side apparatus, described in instruction Calling terminal equipment requests response message to activate the prompt tone application program according to the CSFB, passes through the prompt tone application Program plays the corresponding prompt tone of the called terminal equipment.

After first network side sets the expansion service request for receiving calling terminal equipment in above-described embodiment, pass through prompt tone Service server obtains the corresponding prompt tone configuration parameter of the calling terminal equipment, and the prompt tone configuration parameter that will acquire is sent To corresponding calling terminal equipment, corresponded to indicating that calling terminal equipment plays called terminal equipment according to prompt tone configuration parameter Alert tone information, make calling subscriber during calling terminal equipment is fallen after rise from the network LTE to 2G/3G network, can listen To the corresponding prompt tone of called terminal equipment, and then calling subscriber's number that frequent progress calls in a short time is reduced, thus Reach saving network signal resource, avoids the purpose of the wasting of resources.

It further include mentioning in the prompt tone configuration parameter that first network side apparatus described in the embodiment of the present invention receives Show sound timing configuration parameter, is used to indicate broadcasting of the calling terminal equipment according to prompt tone timing configuration parameter to prompt tone Duration carries out timing.

The prompt tone timing configuration parameter is sent to call subscriber terminal by first network side apparatus in above-described embodiment, To indicate calling terminal equipment while playing alert tones, timing is carried out to the duration of the prompt tone of broadcasting.

After second network side equipment receives the ringing information of called terminal equipment transmission, to corresponding calling terminal equipment Send prompt tone playing duration solicited message；The ringing information is that the called terminal equipment sends out the calling terminal equipment The response message of the paging request sent；

Second network side equipment receives the prompt tone playing duration information that the calling terminal equipment is sent, and will The prompt tone playing duration information is sent to prompt sound service server；

Second network side equipment receives playing according to the prompt tone for the prompt sound service server transmission The real-time prompting message breath that duration information determines, and real-time prompting message breath is sent to the calling terminal equipment；Its In, real-time prompting message breath is that the prompt sound service server according to the determination of the playing duration information of prompt tone works as premise Show the play time of sound, and play real-time prompting sound since the play time, by the real-time prompting message of the broadcasting Breath is sent to the second network side equipment.

The second network side equipment has received the ring response message of called terminal equipment transmission in above-described embodiment, determines The playing duration of prompt tone in current calling terminal equipment, notice prompt sound service server are prompted according in calling terminal equipment The playing duration of sound determines the play time for promoting sound, receives the information of the later prompt tone of play time, and will play The information of prompt tone after time point is sent to call subscriber terminal equipment；The prompt message for receiving calling terminal equipment It ceases the prompt tone played with calling terminal device prompts sound application program to be connected, realizes that calling terminal equipment and prompt sound service take The prompt tone that business device plays is synchronous.

Calling terminal equipment containing prompt tone application program is set in 2G/3G network to the called terminal for being located at LTE network Preparation plays voice service request；

The calling terminal equipment receives the basis that the corresponding first network side apparatus of the called terminal equipment is sent The prompt tone configuration parameter that voice service request determines；The prompt tone configuration parameter includes CSFB request response message, and The corresponding alert tone information of the called terminal equipment；

Wherein, the prompt tone configuration parameter is that the first network side apparatus receives the calling terminal equipment and passes through After the voice service request that corresponding second network side equipment is sent, paging request is sent to the called terminal equipment, and connect It receives the called terminal equipment to be requested according to the expansion service that the paging request generates, includes in the expansion service request Circuit domain dropping CSFB request, called terminal device identification；The expansion service is requested to send by the first network side apparatus The extremely prompt sound service server, and receive the prompt sound service server and determined according to the called terminal device identification The corresponding alert tone information of called terminal equipment, and according to the CSFB request generate CSFB request response message, will The prompt tone configuration parameter of the alert tone information and CSFB request response message as the determination.

Calling terminal equipment in above-described embodiment containing prompt tone application program is in 2G/3G network to positioned at LTE network Called terminal equipment initiate voice service request, calling terminal equipment receives the corresponding first network side of called terminal equipment The prompt tone configuration parameter determined according to voice service request that equipment is sent；Calling terminal equipment is according to prompt tone configuration parameter The corresponding prompt tone of called terminal equipment is played, falls calling subscriber to 2G/3G network from the network LTE after rise in called terminal equipment During, it can hear the corresponding prompt tone of called terminal equipment, and then reduce calling subscriber's frequent progress in a short time The number of calling avoids the purpose of the wasting of resources to reach saving network signal resource.

The calling terminal equipment receive the second network side equipment transmission with called terminal equipment have been established call connect After the information connect, trigger the calling terminal equipment prompt tone application program stop playing alert tones, and with the called end End equipment establishes call connection.

In above-mentioned implementation after called terminal equipment sends the information that call connection has been established to the second network side equipment, the Two network side equipments notify the prompt tone application program of calling terminal equipment to stop playing alert tones, and set with the called terminal It is standby to establish call connection.

A kind of method playing LTE voice service prompt tone in the embodiment of the present invention, this method comprises:

The second network side equipment is received positioned at the corresponding first network side apparatus of the called terminal equipment of LTE network to send Voice service request；

The first network side apparatus sends paging request to the called terminal equipment, and receives the called terminal and set The standby expansion service generated according to the paging request is requested, and includes the circuit of called terminal equipment in the expansion service request Domain dropping CSFB request, called terminal device identification；

Expansion service request is sent to prompt sound service server by the first network side apparatus, and described in reception The prompt tone configuration parameter that prompt sound service server determines；The prompt tone configuration parameter includes the prompt sound service service The corresponding alert tone information of called terminal equipment that device is determined according to the called terminal device identification, and according to the CSFB The CSFB that request generates requests response message；

Determining prompt tone configuration parameter is sent to the calling terminal equipment by the first network side apparatus, with instruction The calling terminal equipment requests response message to activate prompt tone application program according to the CSFB, passes through the prompt tone application Program plays the corresponding prompt tone of called terminal equipment.

First network side apparatus receives corresponding second network side equipment of calling terminal equipment and sends in above-described embodiment Voice service request after, the corresponding prompt tone configuration parameter of called terminal equipment is sent to calling terminal equipment, with instruction Calling terminal equipment plays the corresponding alert tone information of called terminal equipment according to prompt tone configuration parameter, makes calling subscriber in quilt During making terminal device fall after rise from the network LTE to 2G/3G network, the corresponding prompt tone of called terminal equipment can be heard, And then it reduces calling subscriber's number that frequent progress calls in a short time and avoids providing to reach saving network signal resource The purpose of source waste.

The embodiment of the invention provides a kind of equipment for playing LTE voice service prompt tone, which includes:

Paging request module, for the calling terminal equipment containing prompt tone application program in LTE network to called terminal Equipment initiates voice service, sends expansion service request to first network side apparatus, includes circuit in the expansion service request Domain dropping CSFB request, called terminal device identification；

Parameter processing module, for receiving determining according to expansion service request for the first network side apparatus transmission Prompt tone configuration parameter；The prompt tone configuration parameter includes CSFB request response message and the called terminal equipment Corresponding alert tone information；

Parameter configuration module passes through for requesting response message to activate the prompt tone application program according to the CSFB The prompt tone application program plays the corresponding prompt tone of the called terminal equipment；

Parameter configuration module described in the embodiment of the present invention plays called terminal equipment by the prompt tone application program After corresponding prompt tone, the parameter processing module receives the information from the falling of LTE network to 2G/3G network, and connects Receive the information for establishing call connection with called terminal equipment that corresponding second network side equipment of called terminal equipment is sent； Notify the parameter configuration module to trigger the prompt tone application program and stop playing alert tones, and with the called terminal equipment Establish call connection.

It further include prompt in the prompt tone configuration parameter that parameter processing module described in the embodiment of the present invention receives Sound timing configuration parameter, the playing duration of prompt tone is carried out when by triggering the prompt tone application program playing alert tones based on When.

The parameter processing module receives the called terminal that corresponding second network side equipment of called terminal equipment is sent Equipment ringing information triggers the playing duration information that current prompt sound is sent to the second network side equipment；

The parameter configuration module ceases, triggering specifically for receiving the real-time prompting message that the second network side equipment is sent The prompt tone application program stops playing alert tones, plays the real-time prompting sound that second network side equipment is sent；

Wherein, real-time prompting message breath is the second network side equipment by the playing duration of the current prompt sound received Information is sent to prompt sound service server, and the prompt sound service server is true according to the playing duration information of current prompt sound The play time of current prompt sound, and the real-time playing alert tones since the play time are determined, by the real-time of the broadcasting Alert tone information is sent to the second network side equipment.

End message processing module is set for receiving positioned at the calling terminal containing prompt tone application program in LTE network The expansion service that preparation is sent is requested, and includes that circuit domain dropping CSFB is requested in the expansion service request, called terminal equipment mark Know；

Server info processing module for expansion service request to be sent to prompt sound service server, and connects Receive the prompt tone configuration parameter that the prompt sound service server is generated according to expansion service request, the prompt tone configuration Parameter includes the corresponding alert tone information of the called terminal equipment and CSFB request response message；

The end message processing module, is also used to the prompt tone configuration parameter being sent to the calling terminal and sets It is standby, it indicates that the calling terminal equipment requests response message to activate the prompt tone application program according to the CSFB, passes through institute It states prompt tone application program and plays the corresponding prompt tone of the called terminal equipment.

It is also wrapped in the prompt tone configuration parameter that server info processing module described in the embodiment of the present invention receives Prompt tone timing configuration parameter is included, is used to indicate the calling terminal equipment according to prompt tone timing configuration parameter to prompt tone Playing duration carries out timing.

Called terminal facility information processing module, after the ringing information for receiving the transmission of called terminal equipment, to right The calling terminal equipment answered sends prompt tone playing duration solicited message；The ringing information is the called terminal equipment to institute State the response message of the paging request of calling terminal equipment transmission；

Calling terminal facility information processing module, when being played for receiving the prompt tone that the calling terminal equipment is sent Long message, and the prompt tone playing duration information is sent to prompt sound service server；

Server info processing module, for receiving that the prompt sound service server sends according to the prompt tone The real-time prompting message breath that playing duration information determines, and real-time prompting message breath is sent to the calling terminal and is set It is standby；Wherein, the real-time prompting message breath is that the prompt sound service server is determined according to the playing duration information of prompt tone The play time of current prompt sound, and real-time prompting sound is played since the play time, by mentioning in real time for the broadcasting Show that message breath is sent to the second network side equipment.

Paging request module, for the calling terminal equipment containing prompt tone application program in 2G/3G network to positioned at LTE The called terminal equipment of network initiates voice service request；

Parameter processing module, for receiving that the corresponding first network side apparatus of the called terminal equipment sends according to language The determining prompt tone configuration parameter of sound business request；The prompt tone configuration parameter includes CSFB request response message, Yi Jisuo State the corresponding alert tone information of called terminal equipment；

Parameter configuration module described in the embodiment of the present invention is also used to: being played by the prompt tone application program called whole After the corresponding prompt tone of end equipment, receive the transmission of the second network side equipment establishes call connection with called terminal equipment Information；It triggers the prompt tone application program and stops playing alert tones, and establish call connection with the called terminal equipment.

Server info processing module receives the voice service of the second network side equipment transmission for being located at LTE network Request；

End message processing module for sending paging request to the called terminal equipment, and receives the called end End equipment is requested according to the expansion service that the paging request generates, and includes circuit domain dropping CSFB in the expansion service request Request, called terminal device identification；

The server info processing module is also used to that the expansion service is requested to be sent to the prompt sound service clothes Business device, and receive the prompt tone configuration parameter that the prompt sound service server determines；The prompt tone configuration parameter includes institute The corresponding alert tone information of called terminal equipment that prompt sound service server is determined according to the called terminal device identification is stated, And response message is requested according to the CSFB that CSFB request generates；

The end message processing module, the prompt tone configuration parameter for being also used to determine are sent to the calling terminal and set It is standby, to indicate that the calling terminal equipment requests response message to activate the prompt tone application program according to the CSFB, pass through The prompt tone application program plays the corresponding prompt tone of called terminal equipment.

A kind of system for playing LTE voice service, the system include: in the embodiment of the present invention

Calling terminal equipment, for the calling terminal equipment containing prompt tone application program in LTE network to called terminal When equipment initiates voice service, expansion service request is sent to first network side apparatus, includes electricity in the expansion service request Road domain dropping CSFB request, called terminal device identification；

First network side apparatus is set for receiving positioned at the calling terminal containing prompt tone application program in LTE network Expansion service request is sent to prompt sound service server, and receives the prompt by the expansion service request that preparation is sent The prompt tone configuration parameter that sound business server is sent；The prompt tone configuration parameter is sent to the calling terminal equipment； Wherein, the prompt tone configuration parameter includes that the prompt sound service server is determined according to the called terminal device identification The corresponding alert tone information of called terminal equipment, and response message is requested according to the CSFB that CSFB request generates；

The calling terminal equipment is also used to receive the prompt tone configuration parameter that the first network side apparatus is sent；Root The prompt tone application program is activated according to CSFB request response message, the quilt is played by the prompt tone application program Cry terminal device corresponding prompt tone.

First network side apparatus described in the embodiment of the present invention, the prompt sound service server root for being also used to receive It further include prompt tone timing configuration parameter in the prompt tone configuration parameter generated according to expansion service request；

The calling terminal equipment is also used to trigger prompt tone application program according to the prompt tone timing configuration parameter pair The playing duration of prompt tone carries out timing；

The system also includes the second network side equipments, for receiving the ringing information of called terminal equipment transmission, to Corresponding calling terminal equipment sends prompt tone playing duration solicited message；The ringing information is the called terminal equipment pair The response message of the calling terminal equipment paging request；

The calling terminal equipment is also used to send the playing duration information of current prompt sound to the second network side equipment；

Second network side equipment is also used to receive the prompt tone playing duration letter that the calling terminal equipment is sent Breath, is sent to prompt sound service server for the prompt tone playing duration information；Receive the prompt sound service server hair The real-time prompting message determined according to the prompt tone playing duration information sent ceases, and the real-time prompting message is ceased and is sent To the calling terminal equipment；Wherein, the real-time prompting message breath is the prompt sound service server according to prompt tone Playing duration information determines the play time of current prompt sound, and the real-time playing alert tones since the play time, will The alert tone information played in real time is ceased as determining real-time prompting message；

The calling terminal equipment, after being also used to receive the real-time prompting message breath of the second network side equipment transmission, touching It sends out prompt tone application program described and stops playing alert tones, play the real-time prompting sound that second network side equipment is sent.

The embodiment of the invention provides a kind of system for playing LTE voice service, which includes:

Calling terminal equipment, for the calling terminal equipment containing prompt tone application program in 2G/3G network to positioned at LTE The called terminal equipment of network initiates voice service request；

First network side apparatus is asked for receiving calling terminal equipment by the voice service that the second network side equipment is sent It asks, sends paging request to the called terminal equipment；

Called terminal equipment generates expansion service request according to the paging request for receiving the paging request, and Expansion service request is sent to first network side apparatus；It include that circuit domain dropping CSFB is asked in the expansion service request It asks, called terminal device identification；

The first network side apparatus is also used to receive the expansion service request, the expansion service is requested to send The extremely prompt sound service server, and the prompt tone configuration parameter that the prompt sound service server is sent is received, it will be described Determining prompt tone configuration parameter is sent to the calling terminal equipment；The prompt tone configuration parameter includes the prompt tone industry The corresponding alert tone information of called terminal equipment that business server is determined according to the called terminal device identification, and according to institute State the CSFB request response message that CSFB request generates；

The calling terminal equipment is also used to receive the prompt tone configuration parameter, requests response letter according to the CSFB Breath activates the prompt tone application program, plays the corresponding prompt tone of called terminal equipment by the prompt tone application program.

During the embodiment of the present invention is fallen after rise from the network LTE to 2G/3G network using calling terminal equipment, calling terminal Equipment obtains the corresponding alert tone information of called terminal equipment from corresponding first network side apparatus, and passes through calling terminal equipment The prompt tone application program contained plays the alert tone information；Or the calling terminal equipment containing prompt tone application program is in 2G/ 3G network initiates voice service request to the called terminal equipment for being located at LTE network, and calling terminal equipment receives called terminal The prompt tone configuration parameter determined according to voice service request that the corresponding first network side apparatus of equipment is sent；Calling terminal is set It is standby that the corresponding prompt tone of called terminal equipment is played according to prompt tone configuration parameter, make calling subscriber in calling/called terminal device During falling after rise from the network LTE to 2G/3G network, the corresponding prompt tone of called terminal equipment can be heard, and then reduce master User's number that frequent progress calls in a short time is made to avoid the mesh of the wasting of resources to reach saving network signal resource 's.

Detailed description of the invention

Fig. 1 is a kind of flow diagram for the method for playing LTE voice service prompt tone in the embodiment of the present invention；

Fig. 2 is that the process for the method that first network side apparatus plays LTE voice service prompt tone in the embodiment of the present invention is shown It is intended to；

Fig. 3 is that the process for the method that the second network side equipment plays LTE voice service prompt tone in the embodiment of the present invention is shown It is intended to；

Fig. 4 is the method that called terminal equipment plays LTE voice service prompt tone in the lte networks in the embodiment of the present invention Flow diagram；

Fig. 5 is that the process for the method that first network side apparatus plays LTE voice service prompt tone in the embodiment of the present invention is shown It is intended to；

Fig. 6 is that calling terminal is located at LTE network in the embodiment of the present invention, and called terminal is located at the broadcasting LTE of 2G/3G network The flow diagram of the method for voice service prompt tone；

Fig. 7 is that another calling terminal is located at LTE network in the embodiment of the present invention, and called terminal is located at 2G/3G network Play the flow diagram of the method for LTE voice service prompt tone；

Fig. 8 is that calling terminal is located at 2G/3G network in the embodiment of the present invention, and called terminal is located at the broadcasting LTE of LTE network The flow diagram of the method for voice service prompt tone；

Fig. 9 is that the broadcasting LTE voice service that calling terminal, called terminal are respectively positioned on LTE network in the embodiment of the present invention mentions Show the flow diagram of the method for sound；

Figure 10 is that the broadcasting LTE voice service that calling terminal, called terminal are respectively positioned on LTE network in the embodiment of the present invention mentions Show the flow diagram of the method for sound；

Figure 11 is a kind of schematic diagram for the terminal device for playing LTE voice service prompt tone in the embodiment of the present invention；

Figure 12 is a kind of signal for the first network side apparatus for playing LTE voice service prompt tone in the embodiment of the present invention Figure；

Figure 13 is a kind of signal for the second network side equipment for playing LTE voice service prompt tone in the embodiment of the present invention Figure；

Figure 14 is the schematic diagram of another terminal device for playing LTE voice service prompt tone in the embodiment of the present invention；

Figure 15 is the signal of another first network side apparatus for playing LTE voice service prompt tone in the embodiment of the present invention Figure；

Figure 16 is a kind of schematic diagram for the system for playing LTE voice service in the embodiment of the present invention；

Figure 17 is a kind of specific schematic diagram for the system for playing LTE voice service in the embodiment of the present invention；

Figure 18 is the specific schematic diagram of another system for playing LTE voice service in the embodiment of the present invention；

Figure 19 is a kind of schematic diagram of the system of LTE voice service in the embodiment of the present invention.

Specific embodiment

During the embodiment of the present invention is fallen after rise from the network LTE to 2G/3G network using calling terminal equipment, and/or by It cries in terminal device and falls after rise from the network LTE to the process of 2G/3G network, calling terminal equipment is from corresponding first network side apparatus The corresponding alert tone information of called terminal equipment is obtained, and playing by the prompt tone application program that calling terminal equipment contains should Alert tone information；Make calling subscriber during calling/called terminal device is fallen after rise from the network LTE to 2G/3G network, can listen To the corresponding prompt tone of called terminal equipment, and then calling subscriber's number that frequent progress calls in a short time is reduced, thus Reach saving network signal resource, avoids the purpose of the wasting of resources.

With reference to the accompanying drawings of the specification, the embodiment of the present invention is further described.

Wherein first network side apparatus is the corresponding network side equipment of LTE network, such as network management in the embodiment of the present invention Entity MME；Second network side equipment is the corresponding network side equipment of 2G/3G network, such as moving exchanging center MSC.The present invention is real It applies in example using the network management entity MME in LTE network as in the mobile switch in first network side apparatus and 2G/3G network Heart MSC is for the second network side equipment, other can realize the implementation method of the network side equipment of similar functions with the present invention Similar with the present invention, specific implementation refers to the embodiment of the present invention.

As shown in Figure 1, for the method for playing LTE voice service prompt tone a kind of in the embodiment of the present invention, this method comprises:

Step 101: the calling terminal equipment containing prompt tone application program initiates language to called terminal equipment in LTE network When sound business, calling terminal equipment sends expansion service request to first network side apparatus, includes circuit in expansion service request Domain dropping CSFB request, called terminal device identification；

Step 102: calling terminal equipment receives the mentioning according to expansion service request determination that first network side apparatus is sent Show sound configuration parameter；Prompt tone configuration parameter includes CSFB request response message and the corresponding prompt tone of called terminal equipment Information；

Step 103: calling terminal equipment requests response message to activate prompt tone application program according to CSFB, passes through prompt tone Application program plays the corresponding prompt tone of called terminal equipment；

Wherein, prompt tone configuration parameter be first network side apparatus will receive expansion service request be sent to prompt tone industry It is engaged in after server, the corresponding prompt tone of called terminal equipment that prompt sound service server is determined according to called terminal device identification Information, and response message is requested according to the CSFB that CSFB request generates.

Wherein first network side apparatus receives the extension sent positioned at the calling terminal equipment of LTE network in step 102 After service request, according to expansion service request in CSFB request, notice calling terminal equipment where cell the base station caller Terminal device needs to fall after rise to 2G/3G network；First network side apparatus is set the calling terminal for being located at LTE network is received simultaneously The expansion service request that preparation is sent is sent to prompt sound service server；During prompt sound service server is requested according to expansion service CSFB request determines that calling terminal equipment needs to fall after rise from LTE network to 2G/3G network, generates CSFB and requests response message, and According to called terminal device identification, the corresponding alert tone information of called terminal equipment is determined；Prompt sound service server is by CSFB Request response message and the corresponding alert tone information of called terminal equipment as prompt tone configuration parameter, by determining prompt Sound configuration parameter is sent to first network side apparatus, and first network side apparatus will be prompted to sound configuration parameter and be sent to calling terminal to set The base station of standby place cell, which will be prompted to sound configuration parameter and is sent to corresponding calling terminal equipment.Wherein, if it is called whole End equipment has customized Ring Back Tone service, it is determined that alert tone information be the corresponding CRBT of called terminal equipment information；If called Terminal device un-customized CRBT, it is determined that alert tone information be common ringing tone.

Preferably, prompt sound service server is according to the determining corresponding prompt tone of alert tone information configuration in step 102 Timing configuration parameter, whens prompt tone application program playing alert tones to indicate calling terminal equipment, configure according to prompt tone timing Parameter carries out timing to the playing duration of prompt tone.

In step 103, after calling terminal equipment receives prompt tone configuration parameter, according in prompt tone configuration parameter CSFB requests the prompt tone application program in response message activation calling terminal equipment, and plays quilt by prompt tone application program Cry terminal device corresponding prompt tone.

The calling terminal equipment that the base station of cell where calling terminal equipment receives MME transmission is fallen after rise to 2G/3G net After network solicited message, the base station of cell where calling terminal equipment is according to the configuration parameter of the corresponding operator of calling terminal equipment A suitable 2G/3G is selected for caller terminal device, falls calling terminal equipment to the domain CS after rise.Calling terminal equipment fall after rise to Behind the domain CS, paging request is sent to corresponding second network side equipment of called terminal equipment.

After called terminal equipment receives the paging request of the second network side equipment transmission, called terminal equipment carries out ring The information that call connection has been established in called terminal equipment is sent to second after called terminal equipment paging is connected by processing The information that call connection has been established with called terminal equipment is sent to calling terminal and set by network side equipment, the second network side equipment It is standby, after calling terminal equipment receives the information that call connection has been established with called terminal equipment, the prompt of calling terminal equipment Sound application program stops playing alert tones, and establishes call connection with called terminal equipment.

Preferably, it further includes that prompt tone timing is matched that calling terminal equipment, which receives in prompt tone configuration parameter, in step 103 Parameter is set, when the prompt tone application program of calling terminal equipment starts to play the corresponding prompt tone of called terminal equipment, is prompted Sound application program carries out timing to the playing duration of prompt tone.

The calling terminal equipment that the base station of cell where calling terminal equipment receives MME transmission is fallen after rise to 2G/3G net After network solicited message, the base station of cell where calling terminal equipment is according to the configuration parameter of the corresponding operator of calling terminal equipment A suitable 2G/3G cell is selected for caller terminal device, falls calling terminal equipment to 2G/3G network, the i.e. domain CS after rise.It is main It makes terminal device fall after rise to the domain CS, sends paging request to corresponding second network side equipment of called terminal equipment.

After called terminal equipment receives the paging request of the second network side equipment transmission, called terminal equipment ring；Together When ringing information reported into the second network side equipment；The ringing information of called terminal equipment is sent to by the second network side equipment Calling terminal equipment, after calling terminal equipment receives the ring response message of the second network side equipment transmission, calling terminal is set The playing duration information reporting of the standby prompt tone by current prompt sound application program is to the second network side equipment；Second network side is set Standby that the playing duration information of the prompt tone received is sent to prompt sound service server, prompt sound service server is according to mentioning Show the playing duration information of sound, determine the play time for continuing to play the prompt tone, and since the play time in real time The real-time prompting message breath of broadcasting is sent to the second network side equipment by playing alert tones；Second network side equipment will receive Real-time prompting message breath is sent to calling terminal equipment, and calling terminal equipment receives mentioning in real time for the second network side equipment transmission After showing message breath, triggering prompt tone application program stops playing alert tones, the second network side equipment of calling terminal device plays hair The real-time prompting sound sent.

After called terminal equipment paging is connected, the information that call connection will has been established in called terminal equipment is sent to the The information that call connection has been established with called terminal equipment is sent to calling terminal by two network side equipments, the second network side equipment Equipment and prompt sound service server, calling terminal equipment receive the information that call connection has been established with called terminal equipment Afterwards, calling terminal equipment stops playing real-time prompting sound, and establishes call connection with called terminal equipment；Prompt sound service service Device stops sending real-time prompting message breath after receiving the information that call connection has been established with called terminal equipment.

As shown in Fig. 2, for the method that first network side apparatus in the embodiment of the present invention plays LTE voice service prompt tone, This method comprises:

Step 201: first network side apparatus receives the calling terminal containing prompt tone application program in LTE network The expansion service that equipment is sent is requested, and includes the circuit domain dropping CSFB request of calling terminal equipment, quilt in expansion service request It is Terminal Equipment Identifier；

Step 202: expansion service request is sent to prompt sound service server by first network side apparatus, and receives prompt The prompt tone configuration parameter that sound business server is generated according to expansion service request, prompt tone configuration parameter includes that called terminal is set Standby corresponding alert tone information and CSFB request response message；

Step 203: first network side apparatus will be prompted to sound configuration parameter and be sent to calling terminal equipment, indicate calling terminal Equipment requests response message to activate prompt tone application program according to CSFB, plays called terminal equipment by prompt tone application program Corresponding prompt tone；

Wherein, prompt sound service server includes the prompt according to the prompt tone configuration parameter that expansion service request generates The corresponding alert tone information of called terminal equipment that sound business server is determined according to called terminal device identification, and according to The CSFB that CSFB request generates requests response message.

In step 202, first network side apparatus receives the expansion service of the calling terminal equipment transmission positioned at LTE network After request, according to expansion service request in CSFB request, notice calling terminal equipment where cell the base station calling terminal Equipment needs to fall after rise to 2G/3G network；First network side apparatus is sent out the calling terminal equipment for being located at LTE network is received simultaneously The expansion service request sent is sent to prompt sound service server；Prompt sound service server according to expansion service request in CSFB Request determines that calling terminal equipment needs to fall after rise from LTE network to 2G/3G network, generation CSFB request response message, and according to Called terminal device identification determines the corresponding alert tone information of called terminal equipment；Prompt sound service server requests CSFB Response message and the corresponding alert tone information of called terminal equipment match determining prompt tone as prompt tone configuration parameter It sets parameter and is sent to first network side apparatus, first network side apparatus will be prompted to sound configuration parameter and be sent to calling terminal equipment institute In the base station of cell, which will be prompted to sound configuration parameter and is sent to corresponding calling terminal equipment.Wherein, if called terminal is set It is standby to have customized Ring Back Tone service, it is determined that alert tone information be the corresponding CRBT of called terminal equipment information；If called terminal Equipment un-customized CRBT, it is determined that alert tone information be common ringing tone.

Preferably, prompt sound service server is according to the determining corresponding prompt tone of alert tone information configuration in step 202 Timing configuration parameter, whens prompt tone application program playing alert tones to indicate calling terminal equipment, configure according to prompt tone timing Parameter carries out timing to the playing duration of prompt tone.

As shown in figure 3, for the method that the second network side equipment in the embodiment of the present invention plays LTE voice service prompt tone, This method comprises:

Step 301: after the second network side equipment receives the ringing information of called terminal equipment transmission, to corresponding caller Terminal device sends prompt tone playing duration solicited message；Ringing information is that called terminal equipment sends calling terminal equipment The response message of paging request；

Step 302: the second network side equipment receives the prompt tone playing duration information of calling terminal equipment transmission, and will Prompt tone playing duration information is sent to prompt sound service server；

Step 303: the second network side equipment receive prompt sound service server transmission according to prompt tone playing duration The real-time prompting message breath that information determines, and real-time prompting message breath is sent to calling terminal equipment；

Wherein, real-time prompting message breath is that prompt sound service server determines currently according to the playing duration information of prompt tone The play time of prompt tone, and the real-time prompting sound played since the play time, by the real-time prompting message of broadcasting Breath is sent to the second network side equipment.

The calling terminal equipment that the base station of cell where calling terminal equipment receives the transmission of first network side apparatus is returned After dropping down onto 2G/3G network request information, the base station of cell is according to the corresponding operation of calling terminal equipment where calling terminal equipment The configuration parameter of quotient is that caller terminal device selects a suitable 2G/3G, falls calling terminal equipment to the domain CS after rise.Caller is whole End equipment is fallen after rise to the domain CS, sends paging request to corresponding second network side equipment of called terminal equipment.

Second network side equipment sends paging request to called terminal equipment, and called terminal equipment is carried out according to paging request Ring processing；Ringing information is reported into the second network side equipment simultaneously；Second network side equipment is by the vibration of called terminal equipment Bell information is sent to calling terminal equipment, and calling terminal equipment receives the ring response message of the second network side equipment transmission Afterwards, calling terminal equipment sets the playing duration information reporting of the prompt tone of current prompt sound application program to the second network side It is standby；The playing duration information of the prompt tone received is sent to prompt sound service server, prompt tone by the second network side equipment Service server determines the play time for continuing to play the prompt tone, and broadcast from this according to the playing duration information of prompt tone Putting time point starts real-time playing alert tones, and the real-time prompting message breath of broadcasting is sent to the second network side equipment；Second net Network side apparatus will receive real-time prompting message breath and be sent to calling terminal equipment, and calling terminal equipment receives the second network side After the real-time prompting message breath that equipment is sent, triggering prompt tone application program stops playing alert tones, calling terminal device plays The real-time prompting sound that second network side equipment is sent.

As shown in figure 4, playing LTE voice service prompt in the lte networks for called terminal equipment in the embodiment of the present invention The method of sound, this method comprises:

Step 401: the calling terminal equipment containing prompt tone application program is in 2G/3G network to the quilt positioned at LTE network Terminal device is made to initiate voice service request；

Step 402: calling terminal equipment receives the basis that the corresponding first network side apparatus of called terminal equipment is sent The prompt tone configuration parameter that voice service request determines；Prompt tone configuration parameter includes CSFB request response message, and called The corresponding alert tone information of terminal device；

Step 403: calling terminal equipment requests response message to activate prompt tone application program according to CSFB, passes through prompt tone Application program plays the corresponding prompt tone of called terminal equipment；

Wherein, prompt tone configuration parameter is that first network side apparatus receives calling terminal equipment by corresponding second net After the voice service request that network side apparatus is sent, paging request is sent to called terminal equipment, and receive called terminal equipment It is requested according to the expansion service that paging request generates, includes that circuit domain dropping CSFB is requested in expansion service request, called terminal Device identification；Expansion service request is sent to prompt sound service server by first network side apparatus, and receives prompt sound service The corresponding alert tone information of called terminal equipment that server is determined according to called terminal device identification, and requested according to CSFB The CSFB of generation requests response message, will be prompted to message breath and CSFB request response message as determining prompt tone configuration ginseng Number.

Calling terminal equipment in step 401 containing prompt tone application program is in 2G/3G network to the quilt positioned at LTE network Make terminal device initiate voice service request, specifically include: calling terminal equipment is under 2G/3G network through calling terminal equipment Corresponding second network side equipment sends paging to the corresponding first network side apparatus of called terminal equipment for being located at LTE network and asks It asks, first network side apparatus judges whether current called terminal equipment is handling data service, if current called terminal equipment The data service not handled, then first network side apparatus is asked paging by the base station of cell where called terminal equipment It asks and is sent to called terminal equipment；If current called terminal equipment has the data service handled, first network side apparatus Paging request is sent to called terminal equipment by LTE protocol.

Calling terminal equipment receives the basis that the corresponding first network side apparatus of called terminal equipment is sent in step 402 The prompt tone configuration parameter that voice service request determines, specifically includes: after called terminal equipment receives paging request, to first Network side equipment sends expansion service request, includes called terminal device identification, circuit domain dropping CSFB in expansion service request Request；The expansion service request for receiving the transmission of called terminal equipment is sent to prompt sound service service by first network side apparatus Device, while the base station of cell where expansion service request is sent to called terminal equipment.Prompt sound service server is according to expansion Called terminal device identification in exhibition service request determines the corresponding alert tone information of called terminal equipment, and is requested according to CSFB It generates CSFB and requests response message；The called terminal equipment pair that prompt sound service server will CSFB request response message and determine The alert tone information answered is sent to first network side apparatus as prompt tone configuration parameter, and first network side apparatus will receive Prompt tone configuration parameter is sent to calling terminal equipment；Expansion service request is sent to called whole by first network side apparatus simultaneously The base station of cell where end equipment；Base station is requested according to CSFB and the operator configuration information of called terminal equipment, is called Terminal device selects a suitable 2G/3G Target cell.

After calling terminal equipment receives the prompt tone configuration parameter that first network side apparatus is sent in step 403, according to CSFB request response message in prompt tone configuration parameter activates prompt tone application program, plays quilt by prompt tone application program Cry terminal device corresponding prompt tone.

After calling terminal equipment plays the corresponding prompt tone of called terminal equipment by prompt tone application program, also wrap Include: calling terminal equipment receives the information that call connection has been established with called terminal equipment of the second network side equipment transmission Afterwards, the prompt tone application program of calling terminal equipment stops playing alert tones, and establishes call connection with called terminal equipment.

Called terminal equipment is fallen after rise to 2G/3G network, and called terminal receives the paging of the second network side equipment transmission Request, called terminal equipment carries out ring processing according to paging request, and ringing information is sent to the second network side equipment；When After called terminal equipment and the second network side equipment establish call connection, the second network side equipment will be built with called terminal equipment The information of vertical call connection is sent to calling terminal equipment, calling terminal equipment receive the transmission of the second network side equipment with quilt After making terminal device that the information of call connection have been established, triggers the prompt sound service server in calling terminal equipment and stop playing Prompt tone, and call connection is established with called terminal equipment.

As shown in figure 5, for the method that first network side apparatus in the embodiment of the present invention plays LTE voice service prompt tone, This method comprises:

Step 501: receiving the second network side positioned at the corresponding first network side apparatus of the called terminal equipment of LTE network The voice service request that equipment is sent；

Step 502: first network side apparatus sends paging request to the called terminal equipment, and receives called terminal and set The standby expansion service generated according to paging request is requested, and includes the circuit domain dropping of called terminal equipment in expansion service request CSFB request, called terminal device identification；

Step 503: expansion service request is sent to prompt sound service server by first network side apparatus, and receives prompt The prompt tone configuration parameter that sound business server determines；Prompt tone configuration parameter includes prompt sound service server according to called whole The determining corresponding alert tone information of called terminal equipment of end equipment mark, and request to ring according to the CSFB that CSFB request generates Answer information；

Step 504: determining prompt tone configuration parameter is sent to calling terminal equipment by first network side apparatus, with instruction Calling terminal equipment requests response message to activate prompt tone application program according to CSFB, is played by prompt tone application program called The corresponding prompt tone of terminal device.

First network side apparatus plays the specific embodiment of the method for LTE voice service in Fig. 5, may refer to Fig. 4's Specific embodiment, details are not described herein.

As shown in fig. 6, being located at LTE network for calling terminal in the embodiment of the present invention, called terminal is located at 2G/3G network The method for playing LTE voice service prompt tone, this method comprises:

Step 601: the calling terminal equipment MOC UE with APP containing prompt tone application program is to called terminal equipment MTC UE initiates voice service；Calling terminal equipment sends expansion service request, expansion service request to network management entity MME In include calling terminal equipment CSFB request, called terminal device identification；

The expansion service request for receiving the transmission of calling terminal equipment is sent to prompt sound service service by step 602:MME Device AIP；

Step 603: prompt sound service server A IP according to expansion service request in CSFB request generate CSFB request ring Information is answered, and the corresponding alert tone information of called terminal equipment is determined according to called terminal device identification；CSFB is requested to respond Information and the corresponding alert tone information of terminal device are sent to MME as prompt tone configuration parameter；

Step 604:MME will be prompted to the corresponding base station of cell where sound configuration parameter is sent to calling terminal equipment eNodeB；

Step 605: the prompt tone configuration parameter received is sent to by the corresponding base station of cell where calling terminal equipment Corresponding calling terminal equipment；To indicate that calling terminal equipment requests response message activation prompt tone application program according to CSFB, The corresponding prompt tone of called terminal equipment is played by prompt tone application program；

Step 606:MME is corresponding by the expansion service request and calling terminal equipment that receive calling terminal equipment The base station of cell where the information of operator is sent to calling terminal equipment；

Step 607: the base station of cell is according to expansion service solicited message and the operation used where calling terminal equipment The information of quotient be caller terminal device select a 2G/3G Target cell, notice calling terminal equipment from LTE network fall after rise to 2G/3G network；

Step 608: calling terminal equipment sends paging request to the corresponding moving exchanging center MSC of called terminal equipment；

The paging request received is sent to corresponding called terminal equipment by step 609:MSC；

Step 610: called terminal equipment carries out ring processing according to the paging request that receives, and by ring response message It is sent to MSC；

After step 611:MSC receives the ring response message of called terminal equipment transmission, it is clocked into waiting, if setting The information that call connection has been established that called terminal transmission is received in timing is long executes step 612, no to then follow the steps 615；

Step 612:MSC receives the information that call connection has been established of called terminal equipment transmission within the set duration；

Step 613:MSC will be sent to calling terminal with the information that call connection has been established that called terminal equipment is sent and set It is standby；

Step 614: the prompt tone application program of calling terminal equipment stops playing alert tones, passes through MSC and called terminal Equipment establishes call connection, and terminates this process；

Step 615:MSC does not receive the letter that call connection has been established of called terminal equipment transmission within the set duration Breath, then be sent to calling terminal equipment for the voice messaging for connection failure of conversing；

Step 616: the prompt tone application program of calling terminal equipment stops playing alert tones, plays call connection failure Voice messaging, and terminate this process.

Wherein, the sequencing in step 602 and the not stringent timing of step 606, can also first carry out step 606, Step 602 is executed again, or is performed simultaneously step 602 and 606.

As shown in fig. 7, being located at LTE network for calling terminal another in the embodiment of the present invention, called terminal is located at 2G/3G The method of the broadcasting LTE voice service prompt tone of network, this method comprises:

Step 701: the calling terminal equipment MOC UE with APP containing prompt tone application program is in LTE network to position Voice service is initiated in the called terminal equipment MTC UE of 2G/3G network；Calling terminal equipment is sent to network management entity MME Expansion service is requested, and includes the CSFB request of calling terminal equipment, called terminal device identification in expansion service request；

The expansion service request for receiving the transmission of calling terminal equipment is sent to prompt sound service service by step 702:MME Device AIP；

Step 703: prompt sound service server according to expansion service request in CSFB request generate CSFB request response Information determines the corresponding alert tone information of called terminal equipment according to called terminal device identification, according to determining prompt message Breath configures corresponding prompt tone timing configuration parameter；CSFB is requested into response message, the corresponding alert tone information of terminal device with And prompt tone timing configuration parameter is sent to MME as prompt tone configuration parameter；

Step 704:MME will be prompted to the corresponding base station of cell where sound configuration parameter is sent to calling terminal equipment eNodeB；

Step 705: the prompt tone configuration parameter received is sent to by the corresponding base station of cell where calling terminal equipment Corresponding calling terminal equipment；To indicate that calling terminal equipment requests response message activation prompt tone application program according to CSFB, The corresponding prompt tone of called terminal equipment is played by prompt tone application program, and according to prompt tone timing configuration parameter to prompt The playing duration of sound carries out timing；

Step 706:MME is corresponding by the expansion service request and the calling terminal equipment that receive calling terminal equipment Operator's informaiton be sent to calling terminal equipment where cell base station；

Step 707: the base station of cell is according to expansion service solicited message and operator's informaiton where calling terminal equipment A 2G/3G Target cell is selected for caller terminal device, notice calling terminal equipment is fallen after rise from LTE network to 2G/3G network；

Step 708: calling terminal equipment is fallen after rise to 2G/3G network, into the corresponding mobile switch of called terminal equipment Heart MSC sends paging request；

The paging request received is sent to corresponding called terminal equipment by step 709:MSC；

Step 710: called terminal equipment carries out ring processing according to the paging request that receives, and by ring response message It is sent to MSC；

The ring response message of called terminal equipment is sent to calling terminal equipment by step 711:MSC；

Step 712: after calling terminal equipment receives the ring response message of the called terminal equipment of MSC transmission, will work as The playing duration information for the prompt tone that preceding prompt tone application program plays is sent to MSC；

The playing duration information of the prompt tone of the calling terminal equipment received is sent to prompt tone industry by step 713:MSC Business server；

Step 714: prompt sound service server continues to play according to the determination of the playing duration information of the prompt tone received The play time of the prompt tone, and the real-time playing alert tones since the play time, by the real-time prompting message of broadcasting Breath is sent to MSC；

The real-time prompting message breath that the prompt sound service server received is sent is sent to corresponding by step 715:MSC Calling terminal equipment；

Step 716: after calling terminal equipment receives the real-time prompting message breath of MSC transmission, triggering prompt tone application journey Sequence stops playing alert tones, calling terminal device plays real-time prompting sound；

After step 717:MSC receives the ring response message of called terminal equipment transmission, it is clocked into waiting, if setting The information that call connection has been established that called terminal transmission is received in timing is long executes step 718, no to then follow the steps 721；

Step 718:MSC receives the information that call connection has been established of called terminal equipment transmission within the set duration；

Step 719:MSC will be sent to calling terminal with the information that call connection has been established that called terminal equipment is sent and set It is standby；

Step 720: after calling terminal equipment receives the information that call connection has been established, stop playing real-time prompting sound, Call connection is established by MSC and called terminal equipment, and terminates this process；

Step 721:MSC does not receive the letter that call connection has been established of called terminal equipment transmission within the set duration Breath, then be sent to calling terminal equipment for the voice messaging for connection failure of conversing；

Step 722: calling terminal equipment stops playing real-time prompting sound, plays the voice messaging of call connection failure, and Terminate this process.

Wherein, the sequencing in step 702 and the not stringent timing of step 706, can also first carry out step 706, Step 702 is executed again, or is performed simultaneously step 702 and 706.

As shown in figure 8, being located at 2G/3G network for calling terminal in the embodiment of the present invention, called terminal is located at LTE network The method for playing LTE voice service prompt tone, this method comprises:

Step 801: the calling terminal equipment MOC UE with APP containing prompt tone application program is to calling terminal equipment Corresponding moving exchanging center MSC sends paging request；

Step 802:MSC is corresponding to the called terminal equipment MTC UE for being located at LTE network according to the paging request received Network management entity MME send paging request；

Step 803:MME judges whether current called terminal equipment is handling data service, if handling data industry Business, thens follow the steps 804, no to then follow the steps 805；

Paging request is sent to called terminal by the base station of cell where called terminal equipment and set by step 804:MME It is standby, and execute step 806；

Paging request is sent to called terminal equipment by LTE protocol by step 805:MME, and executes step 806；

Step 806: after called terminal equipment receives the paging request of MME transmission, expansion service request is sent to MME, It include called terminal device identification, circuit domain dropping CSFB request in expansion service request；

The expansion service request for receiving the transmission of called terminal equipment is sent to prompt sound service service by step 807:MME Device AIP；

Step 808: prompt sound service server according to expansion service request in called terminal device identification determine it is called The corresponding alert tone information of terminal device requests to generate CSFB request response message according to CSFB；CSFB is requested into response message Alert tone information corresponding with determining called terminal equipment is sent to MME as prompt tone configuration parameter；

The prompt tone configuration parameter received is sent to calling terminal equipment by step 809:MME；

Step 810: after calling terminal equipment receives the prompt tone configuration parameter of first network side apparatus transmission, according to mentioning Show the CSFB request response message activation prompt tone application program in sound configuration parameter, is played by prompt tone application program called The corresponding prompt tone of terminal device；

The base station eNodeB of cell where expansion service request is sent to called terminal equipment by step 811:MME；

Step 812: the base station of cell where called terminal equipment is requested according to CSFB and the operation of called terminal equipment Quotient's configuration information selects a 2G/3G Target cell for called terminal equipment, and notice called terminal equipment is fallen after rise from LTE network To 2G/3G network；

Step 813: called terminal equipment receives the corresponding moving exchanging center MSC transmission paging of calling terminal equipment and asks It asks；

Step 814: called terminal equipment carries out ring processing according to the paging request received, when called terminal equipment is built After vertical call connection, the information for establishing call connection with called terminal equipment is sent to MSC by called terminal equipment；

The information for establishing call connection with called terminal equipment received is sent to corresponding master by step 815:MSC It is terminal device；

Step 816: calling terminal equipment receives the information for establishing call connection with called terminal equipment of MSC transmission Afterwards, the prompt sound service server triggered in calling terminal equipment stops playing alert tones, establishes and converses with called terminal equipment Connection, and terminate this process.

Wherein step 807 and the not stringent successive timing of step 811, can first carry out step 811, then execute step 807, it also may be performed simultaneously step 807 and 811.

As shown in figure 9, being respectively positioned on the broadcasting LTE voice of LTE network for calling terminal, called terminal in the embodiment of the present invention The method of service informing sound, this method comprises:

Step 901: the calling terminal equipment MOC UE with APP containing prompt tone application program is to called terminal equipment MTC UE initiates voice service；Calling terminal equipment sends expansion service request, expansion service request to network management entity MME In include calling terminal equipment CSFB request, called terminal device identification；

The expansion service request for receiving the transmission of calling terminal equipment is sent to prompt sound service service by step 902:MME Device AIP；

Step 903: prompt sound service server according to expansion service request in CSFB request generate CSFB request response Information, and the corresponding alert tone information of called terminal equipment is determined according to called terminal device identification；CSFB is requested into response letter Breath and the corresponding alert tone information of terminal device as prompt tone configuration parameter are sent to MME；

Step 904:MME will be prompted to the corresponding base station of cell where sound configuration parameter is sent to calling terminal equipment eNodeB；

Step 905: the prompt tone configuration parameter received is sent to by the corresponding base station of cell where calling terminal equipment Corresponding calling terminal equipment；To indicate that calling terminal equipment requests response message activation prompt tone application program according to CSFB, The corresponding prompt tone of called terminal equipment is played by prompt tone application program；

The expansion service for receiving calling terminal equipment request is sent to small where calling terminal equipment by step 906:MME The base station in area；

Step 907: the base station of cell is according to expansion service solicited message and operator's informaiton where calling terminal equipment A 2G/3G Target cell is selected for caller terminal device, notice calling terminal equipment is fallen after rise from LTE network to 2G/3G network；

Step 908: calling terminal equipment sends to corresponding moving exchanging center MSC after falling after rise to 2G/3G network and pages Request；

The paging request received is sent to the corresponding network management entity MME of called terminal equipment by step 909:MSC；

Step 910:MME judges whether current called terminal equipment is handling data service, if handling data industry Business, thens follow the steps 911, no to then follow the steps 912；

The base station of cell where paging request is sent to called terminal equipment by step 911:MME；

Step 912: paging request is sent to called terminal equipment by the base station of cell where called terminal equipment, and is executed Step 914；

Paging request is sent to called terminal equipment by LTE protocol by step 913:MME, and executes step 914；

Step 914: after called terminal equipment receives the paging request of MME transmission, expansion service request is sent to MME, It include called terminal device identification, circuit domain dropping CSFB request in expansion service request；

The base station of cell where expansion service request is sent to called terminal equipment by step 915:MME；

Step 916: the base station of cell where called terminal equipment is requested according to CSFB and the operation of called terminal equipment Quotient's configuration information selects a 2G/3G Target cell for called terminal equipment, and notice called terminal equipment is fallen after rise from LTE network To 2G/3G network；

Step 917: called terminal equipment receives the corresponding moving exchanging center MSC transmission paging of calling terminal equipment and asks It asks；

Step 918: called terminal equipment carries out ring processing according to the paging request received, when called terminal equipment is built After vertical call connection, the information for establishing call connection with called terminal equipment is sent to MSC by called terminal equipment；

The information for establishing call connection with called terminal equipment received is sent to corresponding master by step 919:MSC It is terminal device；

Step 920: calling terminal equipment receives the information for establishing call connection with called terminal equipment of MSC transmission Afterwards, the prompt sound service server triggered in calling terminal equipment stops playing alert tones, establishes and converses with called terminal equipment Connection, and terminate this process.

As shown in Figure 10, the broadcasting LTE language of LTE network is respectively positioned on for calling terminal, called terminal in the embodiment of the present invention The method of sound business prompt tone, this method comprises:

Step 1001: the calling terminal equipment MOC UE with APP containing prompt tone application program is set to called terminal Standby MTC UE initiates voice service；Expansion service request is sent to network management entity MME, includes caller in expansion service request The CSFB of terminal device is requested, called terminal device identification；

The expansion service request for receiving the transmission of calling terminal equipment is sent to prompt sound service clothes by step 1002:MME Be engaged in device AIP；

Step 1003: prompt sound service server according to expansion service request in CSFB request generate CSFB request response Information determines the corresponding alert tone information of called terminal equipment according to called terminal device identification, according to determining prompt message Breath configures corresponding prompt tone timing configuration parameter；CSFB is requested into response message, the corresponding alert tone information of terminal device with And prompt tone timing configuration parameter is sent to MME as prompt tone configuration parameter；

Step 1004:MME will be prompted to the corresponding base station of cell where sound configuration parameter is sent to calling terminal equipment eNodeB；

Step 1005: the prompt tone configuration parameter received is sent to by the corresponding base station of cell where calling terminal equipment Corresponding calling terminal equipment；To indicate that calling terminal equipment requests response message activation prompt tone application program according to CSFB, The corresponding prompt tone of called terminal equipment is played by prompt tone application program, and according to prompt tone timing configuration parameter to prompt The playing duration of sound carries out timing；

The expansion service for receiving calling terminal equipment request is sent to where calling terminal equipment by step 1006:MME The base station of cell；

Step 1007: response message and caller are requested to according to expansion service in the base station of cell where calling terminal equipment The corresponding operator's informaiton of terminal device is that caller terminal device selects a 2G/3G Target cell, notifies calling terminal equipment It falls after rise from LTE network to 2G/3G network；

Step 1008: calling terminal equipment is fallen after rise to 2G/3G network, sends paging request to moving exchanging center MSC；

The paging request received is sent to the corresponding network management entity of called terminal equipment by step 1009:MSC MME；

Step 1010:MME judges whether current called terminal equipment is handling data service, if handling data industry Business, thens follow the steps 1011, no to then follow the steps 1012；

The base station of cell where paging request is sent to called terminal equipment by step 1011:MME；

Step 1012: paging request is sent to called terminal equipment by the base station of cell where called terminal equipment, and is held Row step 1014；

Paging request is sent to called terminal equipment by LTE protocol by step 1013:MME, and executes step 1014；

Step 1014: after called terminal equipment receives the paging request of MME transmission, expansion service request is sent to MME, It include called terminal device identification, circuit domain dropping CSFB request in expansion service request；

The base station of cell where expansion service request is sent to called terminal equipment by step 1015:MME；

Step 1016: the base station of cell where called terminal equipment is requested according to CSFB and the operation of called terminal equipment Quotient's configuration information selects a 2G/3G Target cell for called terminal equipment, and notice called terminal equipment is fallen after rise from LTE network To 2G/3G network；

Step 1017: called terminal equipment receives the corresponding moving exchanging center MSC of calling terminal equipment and sends paging Request；

Step 1018: called terminal equipment carries out ring processing according to the paging request received, and ring is responded and is believed Breath is sent to MSC；

The ring response message of called terminal equipment is sent to calling terminal equipment by step 1019:MSC；

Step 1020: after calling terminal equipment receives the ring response message of the called terminal equipment of MSC transmission, will work as The playing duration information for the prompt tone that preceding prompt tone application program plays is sent to MSC；

The playing duration information of the prompt tone of the calling terminal equipment received is sent to prompt tone by step 1021:MSC Service server；

Step 1022: prompt sound service server continues to play according to the determination of the playing duration information of the prompt tone received The play time of the prompt tone, and the real-time playing alert tones since the play time, by the real-time prompting message of broadcasting Breath is sent to MSC；

The real-time prompting message breath that the prompt sound service server received is sent is sent to correspondence by step 1023:MSC Calling terminal equipment；

Step 1024: after calling terminal equipment receives the real-time prompting message breath of MSC transmission, triggering prompt tone application journey Sequence stops playing alert tones, and calling terminal equipment is ceased according to real-time prompting message plays real-time prompting sound；

After step 1025:MSC receives the ring response message of called terminal equipment transmission, it is clocked into waiting, if The information that call connection has been established that called terminal transmission is received in setting duration executes step 1026, no to then follow the steps 1029；

Step 1026:MSC receives the information that call connection has been established of called terminal equipment transmission within the set duration；

Step 1027:MSC will be sent to calling terminal with the information that call connection has been established that called terminal equipment is sent Equipment；

Step 1028: after calling terminal equipment receives the information that call connection has been established, stop playing real-time prompting sound, Call connection is established by MSC and called terminal equipment, and terminates this process；

Step 1029:MSC does not receive the letter that call connection has been established of called terminal equipment transmission within the set duration Breath, then be sent to calling terminal equipment for the voice messaging for connection failure of conversing；

Step 1030: calling terminal equipment stops playing real-time prompting sound, plays the voice messaging of call connection failure, and Terminate this process.

Based on the same inventive concept, a kind of setting for broadcasting LTE voice service prompt tone is additionally provided in the embodiment of the present invention It is standby, since the principle that the equipment solves the problems, such as is similar to a kind of broadcasting method of LTE voice service prompt tone of the embodiment of the present invention, Therefore the implementation of the equipment may refer to the implementation of method, and overlaps will not be repeated.

It as shown in figure 11, is the terminal device for playing LTE voice service prompt tone a kind of in the embodiment of the present invention, the terminal Equipment includes paging request module 1101, parameter processing module 1102, parameter configuration module 1103:

Paging request module 1101, for the calling terminal equipment containing prompt tone application program in LTE network to called Terminal device initiates voice service, sends expansion service request to first network side apparatus, includes circuit in expansion service request Domain dropping CSFB request, called terminal device identification；

Parameter processing module 1102, for receiving mentioning according to expansion service request is determining for first network side apparatus transmission Show sound configuration parameter；Prompt tone configuration parameter includes CSFB request response message and the corresponding prompt tone of called terminal equipment Information；

Parameter configuration module 1103 passes through prompt for requesting response message to activate prompt tone application program according to CSFB Sound application program plays the corresponding prompt tone of called terminal equipment；

Wherein, prompt tone configuration parameter be the first network side apparatus will receive expansion service request be sent to prompt After sound business server, prompt sound service server is mentioned according to the called terminal equipment that called terminal device identification determines is corresponding Show that message ceases, and response message is requested according to the CSFB that CSFB request generates.

Wherein parameter processing module 1102, specifically for reception first network side apparatus transmission according to the expansion service Determining prompt tone configuration parameter is requested, and receives first network side apparatus and is taken according to the extension that calling terminal equipment is sent CSFB request in business request, base station calling terminal equipment of cell is fallen after rise to 2G/3G net where notice calling terminal equipment The information of network.Wherein prompt tone configuration parameter includes circuit domain dropping CSFB request, called terminal device identification.

What the paging request module 1101 that first network side apparatus receives the calling terminal equipment positioned at LTE network was sent Expansion service request after, according to expansion service request in CSFB request, notice calling terminal equipment where cell base station should Calling terminal equipment needs to fall after rise to 2G/3G network；First network side apparatus will receive the caller end for being located at LTE network simultaneously The expansion service request that end equipment paging request module 1101 is sent is sent to prompt sound service server；Prompt sound service service Device according to expansion service request in CSFB request, determine that calling terminal equipment needs to fall after rise from LTE network to 2G/3G network, it is raw Response message is requested at CSFB, and according to called terminal device identification, determines the corresponding alert tone information of called terminal equipment；It mentions Show that CSFB is requested response message and the corresponding alert tone information of called terminal equipment as prompt tone and matched by sound business server Parameter is set, determining prompt tone configuration parameter is sent to first network side apparatus, first network side apparatus will be prompted to sound configuration The base station of cell where parameter is sent to calling terminal equipment, the base station will be prompted to sound configuration parameter and be sent to corresponding caller end End equipment.Wherein, if called terminal device customizing Ring Back Tone service, it is determined that alert tone information be that called terminal equipment is corresponding CRBT information；If called terminal equipment un-customized CRBT, it is determined that alert tone information be common ringing tone.

Preferably, further including prompt tone timing configuration in the prompt tone configuration parameter received in parameter processing module 1102 Parameter, according to prompt tone timing configuration parameter pair when being used to indicate the prompt tone application program playing alert tones of calling terminal equipment The playing duration of prompt tone carries out timing.

Prompt sound service server configures corresponding prompt tone timing configuration parameter according to determining alert tone information, to refer to Prompt tone is broadcast according to prompt tone timing configuration parameter when showing the prompt tone application program playing alert tones of calling terminal equipment It puts duration and carries out timing.

Parameter configuration module 1103, specifically for activating calling terminal according to the CSFB request response message in configuration parameter Prompt tone application program in equipment, and the corresponding prompt tone of called terminal equipment is played by prompt tone application program.

The calling terminal equipment that the base station of cell where calling terminal equipment receives MME transmission is fallen after rise to 2G/3G net After network solicited message, the base station of cell where calling terminal equipment is according to the configuration parameter of the corresponding operator of calling terminal equipment A suitable 2G/3G is selected for caller terminal device, falls calling terminal equipment to 2G/3G network, the i.e. domain CS after rise.Caller is whole End equipment is fallen after rise to the domain CS, is sent by paging request module 1101 to corresponding second network side equipment of called terminal equipment Paging request.

After called terminal equipment receives the paging request of the second network side equipment transmission, called terminal equipment carries out ring The information that call connection has been established in called terminal equipment is sent to second after called terminal equipment paging is connected by processing The information that call connection has been established with called terminal equipment is sent to calling terminal and set by network side equipment, the second network side equipment It is standby, after the parameter processing module 1102 of calling terminal equipment receives the information that call connection has been established with called terminal equipment, Notifying parameters configuration module 1103 triggers prompt tone application program and stops playing alert tones, and establishes and converse with called terminal equipment Connection.

Preferably, it further includes prompt tone timing configuration ginseng that parameter processing module 1102, which receives in prompt tone configuration parameter, Number, when starting to play the corresponding prompt tone of called terminal equipment for the prompt tone application program when calling terminal equipment, instruction Prompt tone application program carries out timing to the playing duration of prompt tone.

The calling terminal equipment that the base station of cell where calling terminal equipment receives MME transmission is fallen after rise to 2G/3G net After network solicited message, the base station of cell where calling terminal equipment is according to the configuration parameter of the corresponding operator of calling terminal equipment A suitable 2G/3G cell is selected for caller terminal device, falls calling terminal equipment to the domain CS after rise.Calling terminal equipment is returned After dropping down onto the domain CS, paging request module 1101 sends paging request to corresponding second network side equipment of called terminal equipment.

After called terminal equipment receives the paging request of the second network side equipment transmission, called terminal equipment ring；Together When ringing information reported into the second network side equipment；The ringing information of called terminal equipment is sent to by the second network side equipment Calling terminal equipment, the parameter processing module 1102 of calling terminal equipment receive the ring response of the second network side equipment transmission After information, by the playing duration information reporting of the prompt tone of current prompt sound application program to the second network side equipment；Second net The playing duration information of the prompt tone received is sent to prompt sound service server, prompt sound service server by network side apparatus According to the playing duration information of prompt tone, the play time for continuing to play the prompt tone is determined, and open from the play time Begin real-time playing alert tones, and the real-time prompting message breath of broadcasting is sent to the second network side equipment；Second network side equipment will It receives real-time prompting message breath and is sent to calling terminal equipment, the parameter processing module 1102 of calling terminal equipment receives the After the real-time prompting message breath that two network side equipments are sent, notifying parameters configuration module 1103 triggers prompt tone application program and stops Playing alert tones, the real-time prompting sound that the second network side equipment of calling terminal device plays is sent.

After called terminal equipment paging is connected, the information that call connection will has been established in called terminal equipment is sent to the The information that call connection has been established with called terminal equipment is sent to calling terminal by two network side equipments, the second network side equipment Equipment and prompt sound service server；The parameter processing module 1102 of calling terminal equipment receives built with called terminal equipment After the information of vertical call connection, notifying parameters configuration module 1103 stops playing real-time prompting sound, and builds with called terminal equipment Vertical call connection；Prompt sound service server stops sending after receiving the information that call connection has been established with called terminal equipment Real-time prompting message breath.

It as shown in figure 12, is the first network side apparatus for playing LTE voice service prompt tone a kind of in the embodiment of the present invention, The equipment includes end message processing module 1201, server info processing module 1202:

End message processing module 1201, for receiving the caller end being located in LTE network containing prompt tone application program The expansion service that end equipment is sent is requested, and includes that circuit domain dropping CSFB is requested in expansion service request, called terminal equipment mark Know；

Server info processing module 1202 for expansion service request to be sent to prompt sound service server, and connects The prompt tone configuration parameter that prompt sound service server is generated according to expansion service request is received, prompt tone configuration parameter includes called The corresponding alert tone information of terminal device and CSFB request response message；End message processing module 1201 is also used to mention Show that sound configuration parameter is sent to calling terminal equipment, instruction calling terminal equipment requests response message to activate prompt tone according to CSFB Application program plays the corresponding prompt tone of called terminal equipment by prompt tone application program.

End message processing module 1201 receives the expansion service request of the calling terminal equipment transmission positioned at LTE network Afterwards, according to expansion service request in CSFB request, notice calling terminal equipment where cell the base station calling terminal equipment It needs to fall after rise to 2G/3G network；And expansion service request is sent to server info processing module 1202, at server info The expansion service request that the calling terminal equipment received positioned at LTE network is sent is sent to prompt sound service by reason module 1202 Server.Prompt sound service server according to expansion service request in CSFB request, determine that calling terminal equipment is needed from LTE net Network is fallen after rise to 2G/3G network, is generated CSFB and is requested response message, and according to called terminal device identification, determines that called terminal is set Standby corresponding alert tone information；CSFB is requested response message and called terminal equipment corresponding by prompt sound service server Alert tone information is sent to first network side apparatus as prompt tone configuration parameter, by determining prompt tone configuration parameter；First The end message processing module 1201 of network side equipment will be prompted to cell where sound configuration parameter is sent to calling terminal equipment Base station, the base station will be prompted to sound configuration parameter and be sent to corresponding calling terminal equipment.Wherein, if called terminal device customizing Ring Back Tone service, it is determined that alert tone information be the corresponding CRBT of called terminal equipment information；If called terminal equipment is uncertain CRBT processed, it is determined that alert tone information be common ringing tone.

Preferably, it further includes prompt sound service clothes that server info processing module 1202, which receives in prompt tone configuration parameter, Device be engaged according to the determining corresponding prompt tone timing configuration parameter of alert tone information configuration, to indicate the prompt of calling terminal equipment Timing is carried out according to playing duration of the prompt tone timing configuration parameter to prompt tone when sound application program playing alert tones.

It as shown in figure 13, is the second network side equipment for playing LTE voice service prompt tone a kind of in the embodiment of the present invention, The equipment includes called terminal facility information processing module 1301, calling terminal facility information processing module 1302, server letter Cease processing module 1303:

Called terminal facility information processing module 1301, after receiving the ringing information that called terminal equipment is sent, Prompt tone playing duration solicited message is sent to corresponding calling terminal equipment；Ringing information is called terminal equipment to caller end The response message for the paging request that end equipment is sent；

Calling terminal facility information processing module 1302, when the prompt tone for receiving the transmission of calling terminal equipment plays Long message, and will be prompted to sound playing duration information and be sent to prompt sound service server；

Server info processing module 1303, for receiving playing according to prompt tone for prompt sound service server transmission The real-time prompting message breath that duration information determines, and real-time prompting message breath is sent to calling terminal equipment；

Wherein, real-time prompting message breath is that prompt sound service server determines currently according to the playing duration information of prompt tone The play time of prompt tone, and real-time prompting sound is played since the play time, the real-time prompting message of broadcasting is ceased It is sent to the second network side equipment；

The calling terminal equipment that the base station of cell where calling terminal equipment receives the transmission of first network side apparatus is returned After dropping down onto 2G/3G network request information, the base station of cell is according to the corresponding operation of calling terminal equipment where calling terminal equipment The configuration parameter of quotient is that caller terminal device selects a suitable 2G/3G cell, falls calling terminal equipment to 2G/3G net after rise Network, the i.e. domain CS.Calling terminal equipment is fallen after rise to the domain CS, sends paging to corresponding second network side equipment of called terminal equipment Request.

The called terminal facility information processing module 1301 of second network side equipment sends paging to called terminal equipment and asks It asks, called terminal equipment carries out ring processing according to paging request；Ringing information is reported into the second network side equipment simultaneously；It will The ringing information of called terminal equipment is sent to calling terminal equipment.

After calling terminal equipment receives the ring response message of the second network side equipment transmission, calling terminal equipment will be worked as The playing duration information reporting of the prompt tone of preceding prompt tone application program is to the second network side equipment；At calling terminal facility information It manages module 1302 and the playing duration information of the prompt tone received is sent to prompt sound service server；Prompt sound service service Device determines the play time for continuing to play the prompt tone according to the playing duration information of prompt tone, and from the play time Start real-time playing alert tones, the real-time prompting message breath of broadcasting is sent to the second network side equipment.

The server info processing module 1303 of second network side equipment will receive real-time prompting message breath and be sent to master It is terminal device；After calling terminal equipment receives the real-time prompting message breath of the second network side equipment transmission, prompt tone is triggered Application program stops playing alert tones, the real-time prompting sound that the second network side equipment of calling terminal device plays is sent.

After called terminal equipment paging is connected, the information that call connection will has been established in called terminal equipment is sent to the The called terminal facility information processing module 1301 of two network side equipments, the second network side equipment will be built with called terminal equipment The information of vertical call connection is sent to calling terminal equipment and prompt sound service server, and calling terminal equipment is received and is called After the information of call connection has been established in terminal device, calling terminal equipment stops playing real-time prompting sound, and sets with called terminal It is standby to establish call connection；Prompt sound service server stops after receiving the information that call connection has been established with called terminal equipment Send alert tone information.

It as shown in figure 14, is the terminal device for playing LTE voice service prompt tone another in the embodiment of the present invention, this sets Standby includes paging request module 1401, parameter processing module 1402, parameter configuration module 1403:

Paging request module 1401, for the calling terminal equipment containing prompt tone application program in 2G/3G network to position Voice service request is initiated in the called terminal equipment of LTE network；

Parameter processing module 1402, for receiving that the corresponding first network side apparatus of called terminal equipment sends according to language The determining prompt tone configuration parameter of sound business request；Prompt tone configuration parameter includes CSFB request response message, and called whole The corresponding alert tone information of end equipment；

Parameter configuration module 1403, for passing through for requesting response message to activate prompt tone application program according to CSFB Prompt tone application program plays the corresponding prompt tone of called terminal equipment；

Paging request module 1401, for being set under 2G/3G network by corresponding second network side of calling terminal equipment It is standby to send paging request to the corresponding first network side apparatus of called terminal equipment for being located at LTE network.

First network side apparatus judges whether current called terminal equipment is handling data service, if current called terminal The data service that equipment is not being handled, then first network side apparatus will be sought by the base station of cell where called terminal equipment It calls for asking and is sent to called terminal equipment；If current called terminal equipment has the data service handled, first network side Paging request is sent to called terminal equipment by LTE protocol by equipment.

After called terminal equipment receives paging request, expansion service request, extension clothes are sent to first network side apparatus It include called terminal device identification, circuit domain dropping CSFB request in business request；First network side apparatus will receive called whole The expansion service request that end equipment is sent is sent to prompt sound service server, while expansion service request being sent to and is called eventually The base station of cell where end equipment.Prompt sound service server according to expansion service request in called terminal device identification determine The corresponding alert tone information of called terminal equipment, and requested to generate CSFB request response message according to CSFB；Prompt sound service clothes Device be engaged in using CSFB request response message alert tone information corresponding with the called terminal equipment determined as prompt tone configuration parameter It is sent to first network side apparatus, the prompt tone configuration parameter received is sent to calling terminal and set by first network side apparatus It is standby.

The base station of cell where expansion service request is sent to called terminal equipment by first network side apparatus；Base station according to The operator configuration information of CSFB request and called terminal equipment selects a suitable 2G/3G mesh for called terminal equipment Mark cell.

Parameter processing module 1402, the root sent specifically for receiving the corresponding first network side apparatus of called terminal equipment According to the prompt tone configuration parameter that voice service request determines, wherein prompt tone configuration parameter includes CSFB request response message, with And the corresponding alert tone information of called terminal equipment.

Parameter configuration module 1403, after receiving the prompt tone configuration parameter that first network side apparatus is sent, Prompt tone application program is activated according to the CSFB request response message in prompt tone configuration parameter, is broadcast by prompt tone application program Put the corresponding prompt tone of called terminal equipment.

After parameter configuration module 1403 triggers the corresponding prompt tone of prompt tone application program broadcasting called terminal equipment, ginseng Number processing module 1402 receives the information that call connection has been established with called terminal equipment of the second network side equipment transmission, main Cry terminal device parameter configuration module 1403 trigger prompt tone application program stop playing alert tones, and with called terminal equipment Establish call connection.

Called terminal equipment is fallen after rise to 2G/3G network, and called terminal receives the paging of the second network side equipment transmission Request, called terminal equipment carries out ring processing according to paging request, and ringing information is sent to the second network side equipment；When After called terminal equipment and the second network side equipment establish call connection, the second network side equipment will be built with called terminal equipment The information of vertical call connection is sent to calling terminal equipment, and the parameter processing module 1402 of calling terminal equipment receives the second net After the information that call connection has been established with called terminal equipment that network side apparatus is sent, the triggering master of notifying parameters configuration module 1403 It makes the prompt sound service server in terminal device stop playing alert tones, and establishes call connection with called terminal equipment.

As shown in figure 15, it is set for the first network side for playing LTE voice service prompt tone another in the embodiment of the present invention Standby, which includes server info processing module 1501, end message processing module 1502:

Server info processing module 1501 receives the voice of the second network side equipment transmission for being located at LTE network Service request；

End message processing module 1502 for sending paging request to called terminal equipment, and receives called terminal and sets The standby expansion service generated according to paging request is requested, and is included that circuit domain dropping CSFB is requested in expansion service request, is called eventually End equipment mark；

Server info processing module 1501 is also used to request expansion service to be sent to prompt sound service server, and Receive the prompt tone configuration parameter that prompt sound service server determines；Prompt tone configuration parameter includes prompt sound service server root According to the corresponding alert tone information of called terminal equipment that called terminal device identification determines, and generated according to CSFB request CSFB requests response message；

End message processing module 1502, the prompt tone configuration parameter for being also used to determine are sent to calling terminal equipment, To indicate that calling terminal equipment requests response message activation prompt tone application program according to CSFB, broadcast by prompt tone application program Put the corresponding prompt tone of called terminal equipment.

It as shown in figure 16, is the system for playing LTE voice service a kind of in the embodiment of the present invention, which includes caller end End equipment 1601, first network side apparatus 1602:

Calling terminal equipment 1601, for the calling terminal equipment containing prompt tone application program in LTE network to called When terminal device initiates voice service, expansion service request is sent to first network side apparatus, includes electricity in expansion service request Road domain dropping CSFB request, called terminal device identification；

First network side apparatus 1602, for receiving the caller end being located in LTE network containing prompt tone application program Expansion service request is sent to prompt sound service server, and receives prompt tone industry by the expansion service request that end equipment is sent The prompt tone configuration parameter that business server is sent；It will be prompted to sound configuration parameter and be sent to calling terminal equipment；Wherein, prompt tone is matched Setting parameter includes the corresponding prompt tone of called terminal equipment that prompt sound service server is determined according to called terminal device identification Information, and response message is requested according to the CSFB that CSFB request generates；

Calling terminal equipment 1601 is also used to receive the prompt tone configuration parameter of first network side apparatus transmission；According to CSFB requests response message to activate prompt tone application program, plays that called terminal equipment is corresponding mentions by prompt tone application program Show sound.

It further include prompt tone timing configuration parameter in the prompt tone configuration parameter that first network side apparatus 1602 receives.

Calling terminal equipment 1601 is matched when being also used to trigger prompt tone application program playing alert tones according to prompt tone timing It sets parameter and timing is carried out to the playing duration of prompt tone.

As shown in figure 17, which further includes the second network side equipment 1701, is sent for receiving called terminal equipment Ringing information after, to corresponding calling terminal equipment send prompt tone playing duration solicited message；Ringing information is caller end End equipment is fallen after rise from LTE network to 2G/3G network, and called terminal equipment believes the response that calling terminal equipment paging is requested Breath；

Calling terminal equipment 1601 is also used to send current calling terminal device prompts sound application to the second network side equipment The playing duration information of the prompt tone of program；

Second network side equipment 1701 is also used to receive the prompt tone playing duration information of calling terminal equipment transmission, And it will be prompted to sound playing duration information and be sent to prompt sound service server；Receive the basis of prompt sound service server transmission The alert tone information that prompt tone playing duration information determines, and will be prompted to message breath and be sent to calling terminal equipment；Wherein, it prompts Sound business server determines the play time of current prompt sound according to prompt tone playing duration information, and from the play time Start real-time playing alert tones, by the real-time prompting message breath of broadcasting as determining alert tone information；

Calling terminal equipment 1601, after being also used to receive the real-time prompting message breath of the second network side equipment transmission, touching It sends out prompt tone application program and stops playing alert tones, play the real-time prompting sound that the second network side equipment is sent.

It as shown in figure 18, is the system for playing LTE voice service another in the embodiment of the present invention, which includes:

Calling terminal equipment 1801, for the calling terminal equipment containing prompt tone application program in 2G/3G network to position Voice service request is initiated in the called terminal equipment of LTE network；

First network side apparatus 1802 passes through the voice industry that the second network side equipment is sent for receiving calling terminal equipment Business request sends paging request to called terminal equipment；

Called terminal equipment 1803 generates expansion service request according to paging request, and will expand for receiving paging request Exhibition service request is sent to first network side apparatus；It include that circuit domain dropping CSFB is requested in expansion service request, called terminal Device identification；

First network side apparatus 1802 is also used to receive expansion service request, and expansion service request is sent to prompt tone Service server, and the prompt tone configuration parameter of prompt sound service server transmission is received, by determining prompt tone configuration parameter It is sent to calling terminal equipment；Prompt tone configuration parameter includes that prompt sound service server is determined according to called terminal device identification The corresponding alert tone information of called terminal equipment, and according to CSFB request generate CSFB request response message；

Calling terminal equipment 1801 is also used to receive prompt tone configuration parameter, requests response message activation to mention according to CSFB Show sound application program, the corresponding prompt tone of called terminal equipment is played by prompt tone application program.

It as shown in figure 19, is a kind of system of LTE voice service in the embodiment of the present invention, wherein 1901 be 2G/3G network Terminal device where the corresponding base station of cell, which can directly be communicated with MSC, can also by SGS interface with MME is communicated；1902 be the corresponding base station of cell where the terminal device of LTE network, which can directly carry out with MME Communication, or communicated by SGS interface with MSC；SGS is the interface between MME and MSC, for handling between the domain EPS and CS Mobile management and paging process, be the most important interface used in CSFB technology；HLR(Home Location Register, home location register) for storing the subscription data of the administered user of network side equipment and the position of mobile subscriber Confidence breath, can provide routing iinformation for paging request；1903 be prompt sound service server, is specifically customized for storing user The voice document of prompt tone coding and prompt tone, is realized to user terminal playing alert tones.

Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art Mind and range.In this way, if these modifications and changes of the present invention belongs to the range of the claims in the present invention and its equivalent technologies Within, then the present invention is also intended to include these modifications and variations.

Claims

1. a kind of method for playing LTE voice service prompt tone, which is characterized in that this method comprises:

Calling terminal equipment containing prompt tone application program is when LTE network initiates voice service to called terminal equipment, institute It states calling terminal equipment and sends expansion service request to first network side apparatus, returned in the expansion service request including circuit domain Fall CSFB request, called terminal device identification；

The calling terminal equipment receives the mentioning according to expansion service request determination that the first network side apparatus is sent Show sound configuration parameter；The prompt tone configuration parameter includes that CSFB request response message and the called terminal equipment are corresponding Alert tone information；

The calling terminal equipment requests response message to activate the prompt tone application program according to the CSFB, is mentioned by described Show that sound application program plays the corresponding prompt tone of the called terminal equipment；

Wherein, the prompt tone configuration parameter is that the first network side apparatus will receive expansion service request and be sent to After prompt sound service server, the prompt sound service server called terminal equipment determining according to called terminal device identification Corresponding alert tone information, and response message is requested according to the CSFB that CSFB request generates.

2. the method as described in claim 1, which is characterized in that the calling terminal equipment passes through the prompt tone application program After the corresponding prompt tone of broadcasting called terminal equipment, further includes:

The calling terminal equipment receives the information from the falling of LTE network to 2G/3G network, and receives called terminal and set After the information that call connection has been established with called terminal equipment that standby corresponding second network side equipment is sent, the caller is triggered The prompt tone application program of terminal device stops playing alert tones, and establishes call connection with the called terminal equipment.

3. the method as described in claim 1, which is characterized in that further include that prompt tone timing is matched in the prompt tone configuration parameter Parameter is set, the calling terminal equipment triggers prompt tone application program playing alert tones according to the prompt tone timing configuration parameter When, timing is carried out to the playing duration of prompt tone.

4. method as claimed in claim 3, which is characterized in that it is corresponding that the calling terminal equipment receives called terminal equipment The second network side equipment send called terminal equipment ringing information, trigger the calling terminal equipment and set to the second network side Preparation send the playing duration information of current prompt sound；

After the calling terminal equipment receives the real-time prompting message breath of the second network side equipment transmission, then the prompt is triggered Sound application program stops playing alert tones, the real-time prompting that the second network side equipment described in the calling terminal device plays is sent Sound；

Wherein real-time prompting message breath is that the second network side equipment sends the playing duration information of the current prompt sound received To prompt sound service server, the prompt sound service server works as premise according to the determination of the playing duration information of current prompt sound Show the play time of sound, and play real-time prompting sound since the play time, by the real-time prompting message of the broadcasting Breath is sent to the second network side equipment.

5. a kind of method for playing LTE voice service prompt tone, which is characterized in that this method comprises:

First network side apparatus receives the expansion of the transmission of the calling terminal equipment in LTE network containing prompt tone application program Service request is opened up, includes the circuit domain dropping CSFB request of calling terminal equipment in the expansion service request, called terminal is set Standby mark；

Expansion service request is sent to prompt sound service server by the first network side apparatus, and receives the prompt The prompt tone configuration parameter that sound business server is generated according to expansion service request, the prompt tone configuration parameter includes institute State the corresponding alert tone information of called terminal equipment and CSFB request response message；

The prompt tone configuration parameter is sent to the calling terminal equipment by the first network side apparatus, indicates the caller Terminal device requests response message to activate the prompt tone application program according to the CSFB, passes through the prompt tone application program Play the corresponding prompt tone of the called terminal equipment.

6. method as claimed in claim 5, which is characterized in that the prompt tone that the first network side apparatus receives is matched Setting in parameter further includes prompt tone timing configuration parameter, is used to indicate the calling terminal equipment and is configured according to prompt tone timing and is joined The playing duration of several pairs of prompt tones carries out timing.

7. a kind of method for playing LTE voice service prompt tone, which is characterized in that this method comprises:

Calling terminal equipment containing prompt tone application program is sent out in 2G/3G network to the called terminal equipment for being located at LTE network Play voice service request；

The calling terminal equipment receive that the corresponding first network side apparatus of the called terminal equipment sends according to voice The prompt tone configuration parameter that service request determines；The prompt tone configuration parameter includes CSFB request response message and described The corresponding alert tone information of called terminal equipment；

Wherein, the prompt tone configuration parameter is that the first network side apparatus receives the calling terminal equipment and passes through correspondence The voice service request that sends of the second network side equipment after, send paging request to the called terminal equipment, and receive The called terminal equipment is requested according to the expansion service that the paging request generates, and includes circuit in the expansion service request Domain dropping CSFB request, called terminal device identification；Expansion service request is sent to and mentions by the first network side apparatus Show sound business server, and receives the called end that the prompt sound service server is determined according to the called terminal device identification The corresponding alert tone information of end equipment, and response message is requested according to the CSFB that CSFB request generates, by the prompt The prompt tone configuration parameter of message breath and CSFB request response message as the determination.

8. the method for claim 7, which is characterized in that the calling terminal equipment passes through the prompt tone application program After the corresponding prompt tone of broadcasting called terminal equipment, further includes:

The calling terminal equipment receive the second network side equipment transmission with called terminal equipment have been established call connection After information, the prompt tone application program for triggering the calling terminal equipment stops playing alert tones, and sets with the called terminal It is standby to establish call connection.

9. a kind of method for playing LTE voice service prompt tone, which is characterized in that this method comprises:

The language of the second network side equipment transmission is received positioned at the corresponding first network side apparatus of the called terminal equipment of LTE network Sound business request；

The first network side apparatus sends paging request to the called terminal equipment, and receives the called terminal equipment root It is requested according to the expansion service that the paging request generates, includes the circuit domain time of called terminal equipment in the expansion service request Fall CSFB request, called terminal device identification；

Expansion service request is sent to prompt sound service server by the first network side apparatus, and receives the prompt The prompt tone configuration parameter that sound business server determines；The prompt tone configuration parameter includes the prompt sound service server root It is requested according to the corresponding alert tone information of called terminal equipment that the called terminal device identification determines, and according to the CSFB The CSFB of generation requests response message；

Determining prompt tone configuration parameter is sent to calling terminal equipment by the first network side apparatus, to indicate the caller Terminal device requests response message to activate prompt tone application program according to the CSFB, is played by the prompt tone application program The corresponding prompt tone of called terminal equipment.

10. a kind of equipment for playing LTE voice service prompt tone, which is characterized in that the equipment includes:

Paging request module, for the calling terminal equipment containing prompt tone application program in LTE network to called terminal equipment Voice service is initiated, expansion service request is sent to first network side apparatus, is returned in the expansion service request including circuit domain Fall CSFB request, called terminal device identification；

Parameter processing module, the mentioning according to expansion service request determination sent for receiving the first network side apparatus Show sound configuration parameter；The prompt tone configuration parameter includes that CSFB request response message and the called terminal equipment are corresponding Alert tone information；

Parameter configuration module, for requesting response message to activate the prompt tone application program according to the CSFB, by described Prompt tone application program plays the corresponding prompt tone of the called terminal equipment；

11. equipment as claimed in claim 10, which is characterized in that the parameter configuration module passes through the prompt tone application journey After sequence plays the corresponding prompt tone of called terminal equipment, the parameter processing module is received from the falling of LTE network to 2G/ The information of 3G network, and receive building with called terminal equipment for the corresponding second network side equipment transmission of called terminal equipment The information of vertical call connection；The parameter configuration module is notified to trigger the prompt tone application program and stop playing alert tones, and Call connection is established with the called terminal equipment.

12. equipment as claimed in claim 11, which is characterized in that the prompt tone that the parameter processing module receives is matched Setting in parameter further includes prompt tone timing configuration parameter, to prompt when for triggering the prompt tone application program playing alert tones The playing duration of sound carries out timing.

13. equipment as claimed in claim 12, which is characterized in that the parameter processing module receives called terminal equipment pair The called terminal equipment ringing information that the second network side equipment answered is sent triggers to the second network side equipment and sends current prompt The playing duration information of sound；

The parameter configuration module is ceased specifically for receiving the real-time prompting message that the second network side equipment is sent, described in triggering Prompt tone application program stops playing alert tones, plays the real-time prompting sound that second network side equipment is sent；

Wherein, real-time prompting message breath is the second network side equipment by the playing duration information of the current prompt sound received It is sent to prompt sound service server, the prompt sound service server is worked as according to the determination of the playing duration information of current prompt sound The play time of preceding prompt tone, and the real-time playing alert tones since the play time, by the real-time prompting of the broadcasting Message breath is sent to the second network side equipment.

14. a kind of equipment for playing LTE voice service prompt tone, which is characterized in that the equipment includes:

End message processing module, for receiving the calling terminal equipment hair being located in LTE network containing prompt tone application program The expansion service sent is requested, and includes that circuit domain dropping CSFB is requested in the expansion service request, called terminal device identification；

Server info processing module for expansion service request to be sent to prompt sound service server, and receives institute State the prompt tone configuration parameter that prompt sound service server is generated according to expansion service request, the prompt tone configuration parameter Response message is requested including the corresponding alert tone information of the called terminal equipment and CSFB；

The end message processing module is also used to the prompt tone configuration parameter being sent to the calling terminal equipment, refer to Show that the calling terminal equipment requests response message to activate the prompt tone application program according to the CSFB, passes through the prompt Sound application program plays the corresponding prompt tone of the called terminal equipment.

15. equipment as claimed in claim 14, which is characterized in that the server info processing module received described mentions Show in sound configuration parameter to further include prompt tone timing configuration parameter, is used to indicate the calling terminal equipment according to prompt tone timing Configuration parameter carries out timing to the playing duration of prompt tone.

16. a kind of equipment for playing LTE voice service prompt tone, which is characterized in that the equipment includes:

Paging request module, for the calling terminal equipment containing prompt tone application program in 2G/3G network to positioned at LTE network Called terminal equipment initiate voice service request；

Parameter processing module, for receiving that the corresponding first network side apparatus of the called terminal equipment sends according to voice industry The determining prompt tone configuration parameter of business request；The prompt tone configuration parameter includes CSFB request response message and the quilt Cry terminal device corresponding alert tone information；

17. equipment as claimed in claim 16, which is characterized in that the parameter configuration module is also used to:

After playing the corresponding prompt tone of called terminal equipment by the prompt tone application program, receives the second network side and set The information for establishing call connection with called terminal equipment that preparation is sent；It triggers the prompt tone application program and stops play cuing Sound, and call connection is established with the called terminal equipment.

18. a kind of equipment for playing LTE voice service prompt tone, which is characterized in that the equipment includes:

Server info processing module receives the voice service request of the second network side equipment transmission for being located at LTE network；

End message processing module for sending paging request to called terminal equipment, and receives the called terminal equipment root It is requested according to the expansion service that the paging request generates, includes that circuit domain dropping CSFB is requested in the expansion service request, quilt It is Terminal Equipment Identifier；

The server info processing module is also used to request the expansion service to be sent to prompt sound service server, and Receive the prompt tone configuration parameter that the prompt sound service server determines；The prompt tone configuration parameter includes the prompt tone The corresponding alert tone information of called terminal equipment that service server is determined according to the called terminal device identification, and according to The CSFB that the CSFB request generates requests response message；

The end message processing module, the prompt tone configuration parameter for being also used to determine are sent to calling terminal equipment, to refer to Show that the calling terminal equipment requests response message activation prompt tone application program according to the CSFB, is answered by the prompt tone The corresponding prompt tone of called terminal equipment is played with program.

19. a kind of system for playing LTE voice service, which is characterized in that the system includes:

Calling terminal equipment, for the calling terminal equipment containing prompt tone application program in LTE network to called terminal equipment When initiating voice service, expansion service request is sent to first network side apparatus, includes circuit domain in the expansion service request Fall CSFB request, called terminal device identification after rise；

First network side apparatus, for receiving the calling terminal equipment hair being located in LTE network containing prompt tone application program Expansion service request is sent to prompt sound service server, and receives the prompt tone industry by the expansion service request sent The prompt tone configuration parameter that business server is sent；The prompt tone configuration parameter is sent to the calling terminal equipment；Wherein, The prompt tone configuration parameter includes that the prompt sound service server is called according to what the called terminal device identification determined The corresponding alert tone information of terminal device, and response message is requested according to the CSFB that CSFB request generates；

The calling terminal equipment is also used to receive the prompt tone configuration parameter that the first network side apparatus is sent；According to institute It states CSFB request response message and activates the prompt tone application program, the called end is played by the prompt tone application program The corresponding prompt tone of end equipment.

20. system as claimed in claim 19, which is characterized in that the prompt tone that the first network side apparatus receives It further include prompt tone timing configuration parameter in configuration parameter；

The calling terminal equipment is also used to trigger prompt tone application program according to the prompt tone timing configuration parameter to prompt The playing duration of sound carries out timing；

The system also includes the second network side equipments, for receiving the ringing information of called terminal equipment transmission, to correspondence Calling terminal equipment send prompt tone playing duration solicited message；The ringing information is the called terminal equipment to described The response message of calling terminal equipment paging request；

Second network side equipment is also used to receive the prompt tone playing duration information that the calling terminal equipment is sent, will The prompt tone playing duration information is sent to prompt sound service server；Receive the root that the prompt sound service server is sent The real-time prompting message breath determined according to the prompt tone playing duration information, and real-time prompting message breath is sent to described Calling terminal equipment；Wherein, when the real-time prompting message breath is broadcasting of the prompt sound service server according to prompt tone Long message determines the play time of current prompt sound, and the real-time playing alert tones since the play time, by the reality When the alert tone information that plays ceased as determining real-time prompting message；

The calling terminal equipment triggers institute after being also used to receive the real-time prompting message breath of the second network side equipment transmission It states prompt tone application program and stops playing alert tones, play the real-time prompting sound that second network side equipment is sent.

21. a kind of system for playing LTE voice service, which is characterized in that the system includes:

Calling terminal equipment, for the calling terminal equipment containing prompt tone application program in 2G/3G network to positioned at LTE network Called terminal equipment initiate voice service request；

First network side apparatus passes through the voice service request that the second network side equipment is sent for receiving calling terminal equipment, Paging request is sent to the called terminal equipment；

Called terminal equipment generates expansion service request according to the paging request, and by institute for receiving the paging request It states expansion service request and is sent to first network side apparatus；It include that circuit domain dropping CSFB is requested in the expansion service request, Called terminal device identification；

The first network side apparatus is also used to receive the expansion service request, expansion service request is sent to and is mentioned Show sound business server, and receive the prompt tone configuration parameter that the prompt sound service server is sent, by determining prompt tone Configuration parameter is sent to the calling terminal equipment；The prompt tone configuration parameter include the prompt sound service server according to The corresponding alert tone information of called terminal equipment that the called terminal device identification determines, and please be seek survival according to the CSFB At CSFB request response message；

The calling terminal equipment is also used to receive the prompt tone configuration parameter, requests response message to swash according to the CSFB The prompt tone application program living plays the corresponding prompt tone of called terminal equipment by the prompt tone application program.